<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../lib/vue.js"></script>
    <link crossorigin="anonymous" integrity="sha384-9GKi7Mg3e8wxMnh60bnNnc9kuwGfarF0StF1UbfPt4F5GMVfxBgfh8/pW4iHavxG"
          href="https://lib.baomitu.com/twitter-bootstrap/3.4.1/css/bootstrap.css" rel="stylesheet">
    <script crossorigin="anonymous" integrity="sha384-vk5WoKIaW/vJyUAd9n/wmopsmNhiy+L2Z+SBxGYnUkunIxVxAv/UtMOhba/xskxh"
            src="https://lib.baomitu.com/jquery/3.4.1/jquery.min.js"></script>
    <script crossorigin="anonymous" integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd"
            src="https://lib.baomitu.com/twitter-bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div id="app">
    <input type="button" value="修改msg" @click="msg='No'">
    <h3 id="h3">{{msg}}</h3>

</div>

<script>
    var vm = new Vue({
        el:"#app",
        data:{
            msg:"ok"
        },
        methods:{

        }
    })
</script>
</body>
</html>